Insider · CIK 0001334505

Yang Taiyin

Reports to the SEC for 3 companies · PALO ALTO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001334505

Forms 4 and 5

Insider transactions

33 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-10-23	KODKodiak Sciences Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director	MExercise/Conversion	−20K sh	—	—	20,000
2026-10-23	KODKodiak Sciences Inc.M Exercise/Conversion	Director	MExercise/Conversion	+20K sh	$2.35	+$47K	20,000
2026-06-30	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+17.7K sh	—	—	17,731
2025-06-30	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+40K sh	—	—	40,000
2025-06-20	Kronos Bio, Inc.U Disposition from Tender	Director	UDisposition from Tender	−11.3K sh	$0.57	−$6,459.81	0
2025-06-20	Kronos Bio, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−41.2K sh	—	—	0
2025-06-20	Kronos Bio, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−5,150 sh	—	—	0
2025-06-20	Kronos Bio, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−17K sh	—	—	0
2025-06-20	Kronos Bio, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−34K sh	—	—	0
2025-06-20	Kronos Bio, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−34K sh	—	—	0
2024-06-28	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+40K sh	—	—	40,000
2024-06-25	Kronos Bio, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+34K sh	—	—	34,000
2023-06-30	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+40K sh	—	—	40,000
2023-06-22	Kronos Bio, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+34K sh	—	—	34,000
2022-06-30	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+25K sh	—	—	25,000
2022-06-22	Kronos Bio, Inc.A Award	Director	AAward	+11.3K sh	—	—	11,333
2022-06-22	Kronos Bio, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+17K sh	—	—	17,000
2021-06-30	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+7,368 sh	—	—	7,368
2021-06-22	Kronos Bio, Inc.Stock Option (Right to Buy)A Award	Director	AAward	+5,150 sh	—	—	5,150
2021-03-25	Kronos Bio, Inc.Director Stock Option (Right to Buy)A Award	Director	AAward	+41.2K sh	—	—	41,200
2020-06-30	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+5,417 sh	—	—	5,417
2019-12-17	KODKodiak Sciences Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+8,855 sh	—	—	8,855
2007-02-06	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−4,100 sh	$70.24	−$288K	202,281
2007-02-06	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−15.9K sh	$70.22	−$1.12M	186,381
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−500 sh	$42.14	−$21.1K	156,115
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−500 sh	$42.16	−$21.1K	155,615
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−2,000 sh	$42.14	−$84.3K	153,615
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−1,500 sh	$42.12	−$63.2K	152,115
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−1,000 sh	$42.11	−$42.1K	151,115
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−3,800 sh	$42.07	−$160K	147,315
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−300 sh	$42.06	−$12.6K	147,015
2005-08-31	GILDGILEAD SCIENCES, INC.S Sale	SVP, Pharm Dev & Mfg	SSale	−400 sh	$42.08	−$16.8K	146,615
2005-07-27	GILDGILEAD SCIENCES, INC. · Non-Qualified Stock Option (right to buy)A Award	SVP, Pharm Dev & Mfg	AAward	+50K sh	—	—	50,000

Recent filings

Accepted (ET)
Oct 264
Yang Taiyin0001334505-26-000004
SEC(opens sec.gov)
Jul 24
Yang Taiyin0001334505-26-000002
SEC(opens sec.gov)
Jul 24
Yang Taiyin0001415889-25-019091
SEC(opens sec.gov)
Jun 204
Yang Taiyin0001415889-25-017825
SEC(opens sec.gov)
Jul 14
Yang Taiyin0001415889-24-018665
SEC(opens sec.gov)
Jun 264
Yang Taiyin0001415889-24-018235
SEC(opens sec.gov)
Jul 34
Yang Taiyin0001209191-23-040593
SEC(opens sec.gov)
Jun 264
Yang Taiyin0001209191-23-039692
SEC(opens sec.gov)
Jul 54
Yang Taiyin0001209191-22-040860
SEC(opens sec.gov)
Jun 294
Yang Taiyin0001209191-22-039790
SEC(opens sec.gov)
Jul 24
Yang Taiyin0001209191-21-045064
SEC(opens sec.gov)
Jun 234
Yang Taiyin0001209191-21-042892
SEC(opens sec.gov)
Mar 264
Yang Taiyin0001209191-21-023181
SEC(opens sec.gov)

Companies

Address

1250 PAGE MILL ROAD

PALO ALTO, CA, 94304